Watch the keynote on an iPhone, iPad, or iPod touch
Launch the Apple TV app, and you'll find an "Apple Event" section. It should be located underneath the "What to Watch" section, and if you tap it, you'll see an animation of the "Hi, Speed" event logo.
Watch on a Mac
If you’re using macOS Catalina, the event is available in the TV app. Before the event, you'll see an animation of the "Hi, Speed" logo, which will switch to the actual event when it starts on Tuesday.
Watch on YouTube
The event will be streamed live on Apple’s YouTube channel. You can watch the YouTube live stream on your iPhone, iPad, iPod touch, or Mac. The video is embedded below, so you can return to this article on Tuesday and watch it.
Watch on Apple TV
Got an Apple TV? Use the Apple TV app. There used to be an Apple Events app, but on June 18, Apple made Events part of the Apple TV app.
Watch on a Windows PC
Watch while in China
The “Hi, Speed” event will be available on Bilibili, iQIYI, Tencent, and Youku.